Solving Problems Involving Rational Numbers

T.i.P.S.

Student must use the various forms of positive and negative rational numbers to add, subtract, multiply, and divide in problem solving situations that may include multiple various forms of numbers within a problem situation. Students should recall how to convert numbers between decimals, fractions, and percents.

Example

During a recent shopping trip, Erin bought six shirts that cost $15.95 each. How much change did Erin receive if she paid with a $100 bill?

Hint
Possible Solutions

TEKS

Readiness Standard

7.3 Number and operations. The student applies mathematical process standards to add, subtract, multiply, and divide while solving problems and justifying solutions. The student is expected to:

(B) apply and extend previous understandings of operations to solve problems using addition, subtraction, multiplication, and division of rational numbers

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